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Raypak 017421 Raypak 336A Digital Propane Gas Heater #59 3-5K CU-NI

Raypak 017421 Raypak 336A Digital Propane Gas Heater #59 3-5K CU-NI

Regular price $4,719.99
Regular price $5,665.99 Sale price $4,719.99
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332.5K BTU ASME propane pool and spa heater with cupro-nickel heat exchanger and bronze headers for high-efficiency, commercial-grade heating.

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Product Details

The Raypak 017421 336A is a premium commercial-grade propane gas pool and spa heater designed to deliver powerful, consistent heating in even the toughest environments.

Featuring a cupro-nickel heat exchanger and bronze headers, it provides outstanding corrosion resistance against harsh pool chemicals and saltwater systems.

Its ASME certification ensures code compliance for commercial applications, while its digital display offers onboard diagnostics and user-friendly controls.

Built for outdoor durability with weather-resistant construction and electronic ignition, this heater offers both performance and peace of mind for high-demand pool and spa heating needs.

AI Review Summary ✨

⭐⭐⭐⭐⭐

Incredibly durable and consistent heater for our spa facility.

Easy to install and operate. Heats fast and works great with our salt system.

We appreciate the ASME compliance and compact size for our tight equipment area.

Features
  • 332.5K BTU Heating Power: Ideal for large pools and spas in commercial settings
  • Cupro-Nickel Heat Exchanger: High resistance to chemical corrosion and thermal stress
  • Bronze Headers: Superior durability and long-lasting performance
  • Digital Controls: Easy temperature management and built-in diagnostics
  • Electronic Ignition: Reliable, energy-efficient startups
  • Weather-Resistant Build: Operates reliably in various climates
  • ASME Certified: Engineered to meet commercial safety and performance standards
Specifications
  • Brand: Raypak
  • Application: Pool, Spa
  • BTU Input: 332,500 BTU
  • Burner Orifice Size: #59
  • Commercial/Residential: Commercial
  • Control Type: Digital
  • Each Product Weight: 255 pounds
  • Flow Rate Max: 100 GPM
  • Flow Rate Min: 32 GPM
  • Fuel Type: Propane
  • Header Material: Bronze
  • Heat Exchanger Material: Cupro Nickel
  • Ignition Type: Electronic
  • Shipping Dimensions: 44.5 x 31 x 31 inches
  • Minimum Sell Quantity: 1
  • UPC Code: 840891042112
User Guides
Frequently Asked Questions

Q: Is the Raypak 017421 suitable for commercial pool installations?
Yes, it's ASME certified and built specifically for commercial environments.

Q: Can this heater handle saltwater pools?
Absolutely. The cupro-nickel heat exchanger and bronze headers are designed for high resistance to saltwater corrosion.

Q: Does the heater require a separate ignition system?
No, it features built-in electronic ignition for convenient and reliable startups.

Warranty
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Raypak is a trusted name in pool and spa heating, offering energy-efficient gas heaters and heat pumps built for long-lasting performance. Whether you're warming up your pool for year-round use or extending your swim season, Raypak delivers reliable temperature control. At AquaDoc, we offer a wide selection of Raypak pool heaters to help you enjoy comfortable water—whenever you want it.